commit d718365f88bc92a3c94ed77a48cf7642acce253b parent 3ff39be9579d357f1ece88dece3dd0e03eab7b7d Author: Martin J. Klockner <martin.cachari@gmail.com> Date: Wed, 18 Nov 2020 00:11:07 -0300 Added pointer validation to function str_len; Diffstat:
| M | 95.11/guia03/ej8.c | | | 6 | +++++- |
| M | 95.11/guia03/ej8_modular.c | | | 5 | ++++- |
| M | 95.11/guia03/ej9_modular.c | | | 6 | +++++- |
3 files changed, 14 insertions(+), 3 deletions(-) diff --git a/95.11/guia03/ej8.c b/95.11/guia03/ej8.c @@ -2,8 +2,12 @@ #include <string.h> size_t str_len(const char *str) { + if(str == NULL) + return 1; + size_t i; - for(i = 0; str[i] != '\0'; i++) {} + for(i = 0; str[i] != '\0'; i++) + ; return i; } diff --git a/95.11/guia03/ej8_modular.c b/95.11/guia03/ej8_modular.c @@ -1,8 +1,11 @@ #include <stdio.h> size_t str_len(const char *str) { + if(str == NULL) + return 1; size_t i; - for(i = 0; str[i] != '\0'; i++) {} + for(i = 0; str[i] != '\0'; i++) + ; return i; } diff --git a/95.11/guia03/ej9_modular.c b/95.11/guia03/ej9_modular.c @@ -1,8 +1,12 @@ #include <stdio.h> size_t str_len(const char *str) { + if(str == NULL) + return 1; + size_t i; - for(i = 0; str[i] != '\0'; i++) {} + for(i = 0; str[i] != '\0'; i++) + ; return i; }