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Run untabify on the code, somehome messed up tabs and spaces

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Jack-Benny Persson 2017-07-10 23:49:12 +02:00
parent 84814d4ba7
commit 4fc931579d
1 changed files with 202 additions and 202 deletions
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396
on-stock.c
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@ -41,7 +41,7 @@ int main(int argc, char* argv[])
if (argc < 2) if (argc < 2)
{ {
printUsage(argv[0]); printUsage(argv[0]);
return 1; return 1;
} }
@ -49,51 +49,51 @@ int main(int argc, char* argv[])
while ((opt = getopt(argc, argv, "hlsmdnf:")) != -1) while ((opt = getopt(argc, argv, "hlsmdnf:")) != -1)
{ {
switch (opt) switch (opt)
{ {
case 'l': case 'l':
choice = 'l'; choice = 'l';
break; break;
case 's': case 's':
choice = 's'; choice = 's';
break; break;
case 'm': case 'm':
choice = 'm'; choice = 'm';
break; break;
case 'd': case 'd':
choice = 'd'; choice = 'd';
break; break;
case 'n': case 'n':
choice = 'n'; choice = 'n';
break; break;
case 'f': case 'f':
strncpy(filename, optarg, FILEMAXLENGTH-1); strncpy(filename, optarg, FILEMAXLENGTH-1);
break; break;
case 'h': case 'h':
printUsage(argv[0]); printUsage(argv[0]);
return 0; return 0;
default: default:
printUsage(argv[0]); printUsage(argv[0]);
return 1; return 1;
} }
} }
/* Check if file exists, if it dosen't, create it */ /* Check if file exists, if it dosen't, create it */
if ( access(filename, R_OK|W_OK) != 0 ) if ( access(filename, R_OK|W_OK) != 0 )
{ {
fprintf(stderr, "Could not open %s\n", filename); fprintf(stderr, "Could not open %s\n", filename);
printf("Create the file and start adding records? (y/n): "); printf("Create the file and start adding records? (y/n): ");
create = getchar(); create = getchar();
if ( create == 'y' ) if ( create == 'y' )
{ {
numRec = 1; numRec = 1;
struct myData *data; struct myData *data;
data = calloc(numRec, sizeof(struct myData)); data = calloc(numRec, sizeof(struct myData));
new(data, numRec); new(data, numRec);
free(data); free(data);
} }
else else
return 1; return 1;
} }
/* The structure to contain our database */ /* The structure to contain our database */
@ -102,43 +102,43 @@ int main(int argc, char* argv[])
/* Continue processesing the command-line arugments */ /* Continue processesing the command-line arugments */
if ( choice == 'l' || choice == 's' || choice == 'm' || choice == 'd' ) if ( choice == 'l' || choice == 's' || choice == 'm' || choice == 'd' )
{ {
/* Open file in read-mode */ /* Open file in read-mode */
FILE *fp = fopen(filename, "rb"); FILE *fp = fopen(filename, "rb");
/* Read in the content from the file to the structure */ /* Read in the content from the file to the structure */
fseek(fp, 0, SEEK_END); fseek(fp, 0, SEEK_END);
numRec = ftell(fp) / sizeof(struct myData); numRec = ftell(fp) / sizeof(struct myData);
data = calloc(numRec, sizeof(struct myData)); data = calloc(numRec, sizeof(struct myData));
rewind(fp); rewind(fp);
fread(data, sizeof(struct myData), numRec, fp); fread(data, sizeof(struct myData), numRec, fp);
fclose(fp); fclose(fp);
if ( choice == 'l' ) if ( choice == 'l' )
list(data, numRec); list(data, numRec);
else if ( choice == 's' && argc >= 2 ) else if ( choice == 's' && argc >= 2 )
search(data, numRec, argv[2]); search(data, numRec, argv[2]);
else if ( choice == 's' && argc <= 2) else if ( choice == 's' && argc <= 2)
search(data, numRec, NULL); search(data, numRec, NULL);
else if ( choice == 'm' && argc >= 3) else if ( choice == 'm' && argc >= 3)
modify(data, numRec, argv[2], argv[3]); modify(data, numRec, argv[2], argv[3]);
else if ( choice == 'm' && argc <= 4) else if ( choice == 'm' && argc <= 4)
modify(data, numRec, NULL, NULL); modify(data, numRec, NULL, NULL);
else if ( choice == 'd' && argc >= 2 ) else if ( choice == 'd' && argc >= 2 )
delete(data, numRec, argv[2]); delete(data, numRec, argv[2]);
else if ( choice == 'd' && argc <= 2 ) else if ( choice == 'd' && argc <= 2 )
delete(data, numRec, NULL); delete(data, numRec, NULL);
} }
else if ( choice == 'n' ) else if ( choice == 'n' )
{ {
data = calloc(1, sizeof(struct myData)); data = calloc(1, sizeof(struct myData));
if ( new(data, numRec) == 1 ) if ( new(data, numRec) == 1 )
return 1; return 1;
} }
else else
{ {
printUsage(argv[0]); printUsage(argv[0]);
return 1; return 1;
} }
free(data); free(data);
@ -151,10 +151,10 @@ void list(struct myData *datap, int numRec)
printHeader(); printHeader();
for (int i = 0; i<numRec; i++) for (int i = 0; i<numRec; i++)
{ {
printf("%-30s\t", datap[i].name); printf("%-30s\t", datap[i].name);
printf("%-10d\t", datap[i].quantity); printf("%-10d\t", datap[i].quantity);
printf("%.2f\t", datap[i].price); printf("%.2f\t", datap[i].price);
printf("\n"); printf("\n");
} }
printf("\n"); printf("\n");
} }
@ -164,25 +164,25 @@ void search(struct myData *datap, int numRec, char *name)
char searchword[NAMEMAXLENGTH]; char searchword[NAMEMAXLENGTH];
if (name != NULL) if (name != NULL)
{ {
strncpy(searchword, name, NAMEMAXLENGTH-1); strncpy(searchword, name, NAMEMAXLENGTH-1);
} }
else else
{ {
printf("Name: "); printf("Name: ");
fgets(searchword, NAMEMAXLENGTH, stdin); fgets(searchword, NAMEMAXLENGTH, stdin);
/* Replace the newline character with a null character */ /* Replace the newline character with a null character */
searchword[strcspn(searchword, "\n")] = '\0'; searchword[strcspn(searchword, "\n")] = '\0';
} }
for (int i = 0; i<numRec; i++) for (int i = 0; i<numRec; i++)
{ {
if ( strcmp(searchword, datap[i].name) != 0 ) if ( strcmp(searchword, datap[i].name) != 0 )
continue; continue;
printHeader(); printHeader();
printf("%-30s\t", datap[i].name); printf("%-30s\t", datap[i].name);
printf("%-10d\t", datap[i].quantity); printf("%-10d\t", datap[i].quantity);
printf("%.2f\t", datap[i].price); printf("%.2f\t", datap[i].price);
printf("\n"); printf("\n");
} }
} }
@ -195,72 +195,72 @@ void modify(struct myData *datap, int numRec, char *name, char *num)
if (name != NULL && num != NULL) if (name != NULL && num != NULL)
{ {
strncpy(searchword, name, NAMEMAXLENGTH-1); strncpy(searchword, name, NAMEMAXLENGTH-1);
strncpy(what, "quantity", 9); strncpy(what, "quantity", 9);
strncpy(quant, num, 19); strncpy(quant, num, 19);
interactive = 0; interactive = 0;
} }
else else
{ {
printf("Name: "); printf("Name: ");
fgets(searchword, NAMEMAXLENGTH, stdin); fgets(searchword, NAMEMAXLENGTH, stdin);
searchword[strcspn(searchword, "\n")] = '\0'; searchword[strcspn(searchword, "\n")] = '\0';
} }
for (int i = 0; i<numRec; i++) for (int i = 0; i<numRec; i++)
{ {
if ( strcmp(searchword, datap[i].name) == 0 ) if ( strcmp(searchword, datap[i].name) == 0 )
{ {
if (interactive == 1) if (interactive == 1)
{ {
printHeader(); printHeader();
printf("%-30s\t", datap[i].name); printf("%-30s\t", datap[i].name);
printf("%-10d\t", datap[i].quantity); printf("%-10d\t", datap[i].quantity);
printf("%.2f\t", datap[i].price); printf("%.2f\t", datap[i].price);
printf("\n\n"); printf("\n\n");
printf("What do you like to modify? (name, quantity, price): "); printf("What do you like to modify? (name, quantity, price): ");
fgets(what, 10, stdin); fgets(what, 10, stdin);
what[strcspn(what, "\n")] = '\0'; what[strcspn(what, "\n")] = '\0';
} }
if ( strcmp(what, "name") == 0 ) if ( strcmp(what, "name") == 0 )
{ {
printf("Name: "); scanf("%29s", datap[i].name); printf("Name: "); scanf("%29s", datap[i].name);
} }
else if ( strcmp(what, "quantity") == 0 ) else if ( strcmp(what, "quantity") == 0 )
{ {
if (interactive == 1) if (interactive == 1)
{ {
printf("Quantity (absolute value or (a)dd/(s)ubtractNUMBER): "); printf("Quantity (absolute value or (a)dd/(s)ubtractNUMBER): ");
fgets(quant, 20, stdin); fgets(quant, 20, stdin);
quant[strcspn(quant, "\n")] = '\0'; quant[strcspn(quant, "\n")] = '\0';
} }
/* Process the first character */ /* Process the first character */
if (quant[0] == 'a') if (quant[0] == 'a')
{ {
quant[0] = ' '; /* We need to remove the character first */ quant[0] = ' '; /* We need to remove the character first */
datap[i].quantity = datap[i].quantity + atoi(quant); datap[i].quantity = datap[i].quantity + atoi(quant);
} }
else if (quant[0] == 's') else if (quant[0] == 's')
{ {
quant[0] = ' '; quant[0] = ' ';
datap[i].quantity = datap[i].quantity - atoi(quant); datap[i].quantity = datap[i].quantity - atoi(quant);
} }
else else
datap[i].quantity = atoi(quant); datap[i].quantity = atoi(quant);
} }
else if ( strcmp(what, "price") == 0 ) else if ( strcmp(what, "price") == 0 )
{ {
printf("Price: "); scanf("%f", &datap[i].price); printf("Price: "); scanf("%f", &datap[i].price);
} }
} }
else else
{ {
fprintf(stderr, "Could not find %s in database\n", searchword); fprintf(stderr, "Could not find %s in database\n", searchword);
exit(1); exit(1);
} }
} }
FILE *newfp = fopen(filename, "wb"); FILE *newfp = fopen(filename, "wb");
@ -276,50 +276,50 @@ void delete(struct myData *datap, int numRec, char *name)
if (name != NULL) if (name != NULL)
{ {
strncpy(searchword, name, NAMEMAXLENGTH-1); strncpy(searchword, name, NAMEMAXLENGTH-1);
interactive = 0; interactive = 0;
answer = 'y'; answer = 'y';
} }
else else
{ {
printf("Name: "); printf("Name: ");
fgets(searchword, NAMEMAXLENGTH, stdin); fgets(searchword, NAMEMAXLENGTH, stdin);
searchword[strcspn(searchword, "\n")] = '\0'; searchword[strcspn(searchword, "\n")] = '\0';
} }
for (int i = 0; i<numRec; i++) for (int i = 0; i<numRec; i++)
{ {
if ( strcmp(searchword, datap[i].name) == 0 ) if ( strcmp(searchword, datap[i].name) == 0 )
{ {
if (interactive == 1) if (interactive == 1)
{ {
printHeader(); printHeader();
printf("%-30s\t", datap[i].name); printf("%-30s\t", datap[i].name);
printf("%-10d\t", datap[i].quantity); printf("%-10d\t", datap[i].quantity);
printf("%.2f\t", datap[i].price); printf("%.2f\t", datap[i].price);
printf("\n\n"); printf("\n\n");
printf("Delete the record listed above? (y/n): "); printf("Delete the record listed above? (y/n): ");
answer = getchar(); answer = getchar();
} }
if ( answer == 'y' ) if ( answer == 'y' )
{ {
FILE *newfp = fopen(filename, "wb"); FILE *newfp = fopen(filename, "wb");
/* Write out all records, except the one we cant to delete, /* Write out all records, except the one we cant to delete,
back to the file, one record at a time */ back to the file, one record at a time */
for (int j = 0; j<numRec; j++) for (int j = 0; j<numRec; j++)
{ {
if ( strcmp(searchword, datap[j].name) == 0 ) if ( strcmp(searchword, datap[j].name) == 0 )
continue; continue;
fwrite(&datap[j], sizeof(struct myData), 1, newfp); fwrite(&datap[j], sizeof(struct myData), 1, newfp);
} }
fclose(newfp); fclose(newfp);
} }
} }
else else
{ {
fprintf(stderr, "Could not find %s in database\n", searchword); fprintf(stderr, "Could not find %s in database\n", searchword);
exit(1); exit(1);
} }
} }
} }
@ -329,56 +329,56 @@ int new(struct myData *datap, int numRec)
FILE *fp = fopen(filename, "ab"); FILE *fp = fopen(filename, "ab");
if (fp == NULL) if (fp == NULL)
{ {
printf("Can't open file for writing\n"); printf("Can't open file for writing\n");
return 1; return 1;
} }
/* Ask for, and write out, one record at a time */ /* Ask for, and write out, one record at a time */
for (;;) for (;;)
{ {
/* Clear the input buffer (from the previous iteration) */ /* Clear the input buffer (from the previous iteration) */
setbuf(stdin, NULL); setbuf(stdin, NULL);
printf("Name ('done' when finished): "); printf("Name ('done' when finished): ");
fgets(datap->name, NAMEMAXLENGTH, stdin); fgets(datap->name, NAMEMAXLENGTH, stdin);
datap->name[strcspn(datap->name, "\n")] = '\0'; datap->name[strcspn(datap->name, "\n")] = '\0';
if ( strcmp(datap->name, "done") == 0 ) if ( strcmp(datap->name, "done") == 0 )
{ {
fclose(fp); fclose(fp);
return 0; return 0;
} }
printf("Quantity: "); scanf("%d", &datap->quantity); printf("Quantity: "); scanf("%d", &datap->quantity);
printf("Price: "); scanf("%f", &datap->price); printf("Price: "); scanf("%f", &datap->price);
bytes = fwrite(datap, sizeof(struct myData), 1, fp); bytes = fwrite(datap, sizeof(struct myData), 1, fp);
if (bytes != 1) if (bytes != 1)
{ {
fprintf(stderr, "Could not write to the file!\n"); fprintf(stderr, "Could not write to the file!\n");
return 1; return 1;
} }
} }
} }
void printUsage(char *arg) void printUsage(char *arg)
{ {
fprintf(stderr, "Usage: %s [-l] [-s [name]] [-m [name (a/s)quantity]]\n" fprintf(stderr, "Usage: %s [-l] [-s [name]] [-m [name (a/s)quantity]]\n"
"[-d [name]] [-n] [-h] [-f filename]\n\n" "[-d [name]] [-n] [-h] [-f filename]\n\n"
"-l = list the articles in the database\n" "-l = list the articles in the database\n"
"-s = search for an article in the database\n" "-s = search for an article in the database\n"
" If no name is given as argument, you will be prompted for a name.\n" " If no name is given as argument, you will be prompted for a name.\n"
"-m = modify a article\n" "-m = modify a article\n"
" If no name is given as argument, you will be prompted for a\n" " If no name is given as argument, you will be prompted for a\n"
" name. You'll then have the choice to change name, quantity and price.\n" " name. You'll then have the choice to change name, quantity and price.\n"
" If a name is given as argument, the quantity can be changed from the\n" " If a name is given as argument, the quantity can be changed from the\n"
" command line, such as subtracting the stock by three:\n" " command line, such as subtracting the stock by three:\n"
" ./on-stock -m 'Nailgun' s3\n" " ./on-stock -m 'Nailgun' s3\n"
"-d = delete a article\n" "-d = delete a article\n"
" If no name is given as argument, you will be prompted for an article\n" " If no name is given as argument, you will be prompted for an article\n"
" to delete.\n" " to delete.\n"
" If a name is given as argument, no confirmation will be required to\n" " If a name is given as argument, no confirmation will be required to\n"
" delete the article from the database.\n" " delete the article from the database.\n"
"-n = create new articles (interactive mode only)\n" "-n = create new articles (interactive mode only)\n"
"-h = display this help message\n" "-h = display this help message\n"
"-f = specifiy a filename for the database\n", arg); "-f = specifiy a filename for the database\n", arg);
} }
void printHeader(void) void printHeader(void)
@ -387,6 +387,6 @@ void printHeader(void)
printf("%s\t", "Quantity"); printf("%s\t", "Quantity");
printf("%s\t\n", "Price"); printf("%s\t\n", "Price");
for (int i = 0; i<=52; i++) for (int i = 0; i<=52; i++)
printf("="); printf("=");
printf("\n"); printf("\n");
} }