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Print /proc/<pid>/maps on segfault

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This commit is contained in:
Drew DeVault 2016-01-28 07:56:46 -05:00
parent a6e57dd7ac
commit e5bb08cc18
3 changed files with 47 additions and 1 deletions
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27
common/readline.c
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@ -3,7 +3,7 @@
#include <stdio.h>
char *read_line(FILE *file) {
int length = 0, size = 128;
size_t length = 0, size = 128;
char *string = malloc(size);
if (!string) {
return NULL;
@ -37,3 +37,28 @@ char *read_line(FILE *file) {
string[length] = '\0';
return string;
}
char *read_line_buffer(FILE *file, char *string, size_t string_len) {
size_t length = 0;
if (!string) {
return NULL;
}
while (1) {
int c = getc(file);
if (c == EOF || c == '\n' || c == '\0') {
break;
}
if (c == '\r') {
continue;
}
string[length++] = c;
if (string_len <= length) {
return NULL;
}
}
if (length + 1 == string_len) {
return NULL;
}
string[length] = '\0';
return string;
}