| version 1.19, 1999/12/06 22:28:44 |
version 1.20, 1999/12/09 18:20:06 |
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| } |
} |
| |
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| /* |
/* |
| * emalloc -- |
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| * malloc, but die on error. |
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| */ |
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| void * |
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| emalloc(len) |
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| size_t len; |
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| { |
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| void *p; |
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| |
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| if ((p = malloc(len)) == NULL) |
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| enomem(); |
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| return(p); |
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| } |
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| |
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| /* |
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| * estrdup -- |
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| * strdup, but die on error. |
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| */ |
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| char * |
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| estrdup(str) |
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| const char *str; |
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| { |
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| char *p; |
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| |
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| if ((p = strdup(str)) == NULL) |
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| enomem(); |
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| return(p); |
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| } |
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| |
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| /* |
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| * erealloc -- |
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| * realloc, but die on error. |
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| */ |
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| void * |
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| erealloc(ptr, size) |
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| void *ptr; |
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| size_t size; |
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| { |
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| if ((ptr = realloc(ptr, size)) == NULL) |
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| enomem(); |
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| return(ptr); |
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| } |
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| |
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| /* |
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| * enomem -- |
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| * die when out of memory. |
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| */ |
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| void |
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| enomem() |
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| { |
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| (void)fprintf(stderr, "make: %s.\n", strerror(errno)); |
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| exit(2); |
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| } |
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| |
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| /* |
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| * enunlink -- |
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| * Remove a file carefully, avoiding directories. |
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| */ |
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| int |
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| eunlink(file) |
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| const char *file; |
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| { |
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| struct stat st; |
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| |
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| if (lstat(file, &st) == -1) |
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| return -1; |
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| |
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| if (S_ISDIR(st.st_mode)) { |
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| errno = EISDIR; |
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| return -1; |
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| } |
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| return unlink(file); |
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| } |
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| |
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| /* |
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| * usage -- |
* usage -- |
| * exit with usage message |
* exit with usage message |
| */ |
*/ |
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