helpful errors

This commit is contained in:
Connor Lane Smith 2011-05-06 21:13:02 +01:00
parent 210b303941
commit cd3b4915c3
2 changed files with 8 additions and 3 deletions

View File

@ -440,9 +440,9 @@ readstdin(void) {
if((p = strchr(buf, '\n'))) if((p = strchr(buf, '\n')))
*p = '\0'; *p = '\0';
if(!(item = calloc(1, sizeof *item))) if(!(item = calloc(1, sizeof *item)))
eprintf("cannot malloc %u bytes\n", sizeof *item); eprintf("cannot malloc %u bytes:", sizeof *item);
if(!(item->text = strdup(buf))) if(!(item->text = strdup(buf)))
eprintf("cannot strdup %u bytes\n", strlen(buf)+1); eprintf("cannot strdup %u bytes:", strlen(buf)+1);
inputw = MAX(inputw, textw(dc, item->text)); inputw = MAX(inputw, textw(dc, item->text));
} }
} }

7
draw.c
View File

@ -68,6 +68,11 @@ eprintf(const char *fmt, ...) {
va_start(ap, fmt); va_start(ap, fmt);
vfprintf(stderr, fmt, ap); vfprintf(stderr, fmt, ap);
va_end(ap); va_end(ap);
if(fmt[strlen(fmt)-1] == ':') {
fputc(' ', stderr);
perror(NULL);
}
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
} }
@ -101,7 +106,7 @@ initdc(void) {
if(!setlocale(LC_CTYPE, "") || !XSupportsLocale()) if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
weprintf("no locale support\n"); weprintf("no locale support\n");
if(!(dc = calloc(1, sizeof *dc))) if(!(dc = calloc(1, sizeof *dc)))
eprintf("cannot malloc %u bytes\n", sizeof *dc); eprintf("cannot malloc %u bytes:", sizeof *dc);
if(!(dc->dpy = XOpenDisplay(NULL))) if(!(dc->dpy = XOpenDisplay(NULL)))
eprintf("cannot open display\n"); eprintf("cannot open display\n");