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Fixed non-interactive mode

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This commit is contained in:
Jack-Benny Persson 2017-07-10 23:04:53 +02:00
parent 705da77a3a
commit 7d8132d1f8
1 changed files with 42 additions and 21 deletions
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63
on-stock.c
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@ -78,7 +78,7 @@ int main(int argc, char* argv[])
/* Check if file exists, if it dosen't, create it */
if ( access(filename, R_OK|W_OK) != 0 )
{
printf("Could not open %s\n", filename);
fprintf(stderr, "Could not open %s\n", filename);
printf("Create the file and start adding records? (y/n): ");
create = getchar();
if ( create == 'y' )
@ -129,7 +129,8 @@ int main(int argc, char* argv[])
else if ( choice == 'n' )
{
data = calloc(1, sizeof(struct myData));
new(data, numRec);
if ( new(data, numRec) == 1 )
return 1;
}
else
{
@ -207,18 +208,19 @@ void modify(struct myData *datap, int numRec, char *name, char *num)
{
if ( strcmp(searchword, datap[i].name) == 0 )
{
printHeader();
printf("%-30s\t", datap[i].name);
printf("%-10d\t", datap[i].quantity);
printf("%.2f\t", datap[i].price);
printf("\n\n");
if (interactive == 1)
{
printHeader();
printf("%-30s\t", datap[i].name);
printf("%-10d\t", datap[i].quantity);
printf("%.2f\t", datap[i].price);
printf("\n\n");
printf("What do you like to modify? (name, quantity, price): ");
fgets(what, 10, stdin);
what[strcspn(what, "\n")] = '\0';
}
if ( strcmp(what, "name") == 0 )
{
printf("Name: "); scanf("%29s", datap[i].name);
@ -227,16 +229,18 @@ void modify(struct myData *datap, int numRec, char *name, char *num)
{
if (interactive == 1)
{
printf("Quantity (absolute value or +/-NUMBER: ");
printf("Quantity (absolute value or (a)dd/(s)ubtractNUMBER): ");
fgets(quant, 20, stdin);
quant[strcspn(quant, "\n")] = '\0';
}
/* Process the first character */
if (quant[0] == '+')
datap[i].quantity = datap[i].quantity + atoi(quant);
else if (quant[0] == '-')
if (quant[0] == 'a')
{
quant[0] = ' '; /* We need to remove the character first */
datap[i].quantity = datap[i].quantity + atoi(quant);
}
else if (quant[0] == 's')
{
/* We need to replace the - with a space before atoi */
quant[0] = ' ';
datap[i].quantity = datap[i].quantity - atoi(quant);
}
@ -249,6 +253,12 @@ void modify(struct myData *datap, int numRec, char *name, char *num)
printf("Price: "); scanf("%f", &datap[i].price);
}
}
else
{
fprintf(stderr, "Could not find %s in database\n", searchword);
exit(1);
}
}
FILE *newfp = fopen(filename, "wb");
fwrite(datap, sizeof(struct myData), numRec, newfp);
@ -259,10 +269,13 @@ void delete(struct myData *datap, int numRec, char *name)
{
char searchword[NAMEMAXLENGTH];
int answer;
int interactive = 1;
if (name != NULL)
{
strncpy(searchword, name, NAMEMAXLENGTH-1);
interactive = 0;
answer = 'y';
}
else
{
@ -274,14 +287,17 @@ void delete(struct myData *datap, int numRec, char *name)
{
if ( strcmp(searchword, datap[i].name) == 0 )
{
printHeader();
printf("%-30s\t", datap[i].name);
printf("%-10d\t", datap[i].quantity);
printf("%.2f\t", datap[i].price);
printf("\n\n");
if (interactive == 1)
{
printHeader();
printf("%-30s\t", datap[i].name);
printf("%-10d\t", datap[i].quantity);
printf("%.2f\t", datap[i].price);
printf("\n\n");
printf("Delete the record listed above? (y/n): ");
answer = getchar();
printf("Delete the record listed above? (y/n): ");
answer = getchar();
}
if ( answer == 'y' )
{
FILE *newfp = fopen(filename, "wb");
@ -296,6 +312,11 @@ void delete(struct myData *datap, int numRec, char *name)
fclose(newfp);
}
}
else
{
fprintf(stderr, "Could not find %s in database\n", searchword);
exit(1);
}
}
}
@ -328,7 +349,7 @@ int new(struct myData *datap, int numRec)
bytes = fwrite(datap, sizeof(struct myData), 1, fp);
if (bytes != 1)
{
printf("Could not write to the file!\n");
fprintf(stderr, "Could not write to the file!\n");
return 1;
}
}