diff options
Diffstat (limited to 'devel/psptoolchain-newlib/files/patch-newlib-libc-sys-psp-pspcwd.c')
| -rw-r--r-- | devel/psptoolchain-newlib/files/patch-newlib-libc-sys-psp-pspcwd.c | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/devel/psptoolchain-newlib/files/patch-newlib-libc-sys-psp-pspcwd.c b/devel/psptoolchain-newlib/files/patch-newlib-libc-sys-psp-pspcwd.c new file mode 100644 index 000000000000..38bea4ec1752 --- /dev/null +++ b/devel/psptoolchain-newlib/files/patch-newlib-libc-sys-psp-pspcwd.c @@ -0,0 +1,169 @@ +--- newlib/libc/sys/psp/pspcwd.c.orig 1970-01-01 02:00:00.000000000 +0200 ++++ newlib/libc/sys/psp/pspcwd.c 2007-06-01 12:22:26.000000000 +0300 +@@ -0,0 +1,166 @@ ++/* ++ * PSP Software Development Kit - http://www.pspdev.org ++ * ----------------------------------------------------------------------- ++ * Licensed under the BSD license, see LICENSE in PSPSDK root for details. ++ * ++ * pspcwd.c - Current working directory emulation helper functions ++ * ++ * Copyright (c) 2005 Marcus R. Brown <mrbrown@ocgnet.org> ++ * Copyright (c) 2005 James Forshaw <tyranid@gmail.com> ++ * Copyright (c) 2005 John Kelley <ps2dev@kelley.ca> ++ * Copyright (c) 2005 Jim Paris <jim@jtan.com> ++ * ++ */ ++#include <string.h> ++#include <sys/types.h> ++#include <sys/unistd.h> ++ ++#include <psptypes.h> ++#include <pspiofilemgr.h> ++ ++char __psp_cwd[MAXPATHLEN + 1] = { 0 }; ++ ++/* Set the current working directory (CWD) to the path where the module was launched. */ ++void __psp_init_cwd(char *argv_0) ++{ ++ if (argv_0 != NULL) { ++ char base_path[MAXPATHLEN + 1]; ++ char *end; ++ ++ strncpy(base_path, argv_0, sizeof(base_path) - 1); ++ base_path[sizeof(base_path) - 1] = '\0'; ++ end = strrchr(base_path, '/'); ++ if (end != NULL) { ++ *(end + 1) = '\0'; ++ chdir(base_path); ++ } ++ } ++} ++ ++/* Return the number of bytes taken up by the "drive:" prefix, ++ or -1 if it's not found */ ++int __psp_get_drive(const char *d) ++{ ++ int i; ++ for(i=0; d[i]; i++) { ++ if(! ((d[i] >= 'a' && d[i] <= 'z') || ++ (d[i] >= '0' && d[i] <= '9') )) ++ break; ++ } ++ if(d[i] == ':') return i+1; ++ return -1; ++} ++ ++/* Like strcpy, but returns 0 if the string doesn't fit */ ++int __psp_safe_strcpy(char *out, const char *in, int maxlen) ++{ ++ for( ; maxlen > 0 && *in ; maxlen-- ) ++ *(out++) = *(in++); ++ if(maxlen < 1) return 0; ++ *out = 0; ++ return 1; ++} ++ ++/* Like strcat, but returns 0 if the string doesn't fit */ ++int __psp_safe_strcat(char *out, const char *in, int maxlen) ++{ ++ for( ; *out ; out++,maxlen-- ) ++ continue; ++ return __psp_safe_strcpy(out, in, maxlen); ++} ++ ++/* Normalize a pathname (without leading "drive:") by removing ++ . and .. components, duplicated /, etc. */ ++int __psp_path_normalize(char *out, int len) ++{ ++ int i, j; ++ int first, next; ++ ++ /* First append "/" to make the rest easier */ ++ if(!__psp_safe_strcat(out,"/",len)) return -10; ++ ++ /* Convert "//" to "/" */ ++ for(i=0; out[i+1]; i++) { ++ if(out[i]=='/' && out[i+1]=='/') { ++ for(j=i+1; out[j]; j++) ++ out[j] = out[j+1]; ++ i--; ++ } ++ } ++ ++ /* Convert "/./" to "/" */ ++ for(i=0; out[i] && out[i+1] && out[i+2]; i++) { ++ if(out[i]=='/' && out[i+1]=='.' && out[i+2]=='/') { ++ for(j=i+1; out[j]; j++) ++ out[j] = out[j+2]; ++ i--; ++ } ++ } ++ ++ /* Convert "/asdf/../" to "/" until we can't anymore. Also ++ * convert leading "/../" to "/" */ ++ first = next = 0; ++ while(1) { ++ /* If a "../" follows, remove it and the parent */ ++ if(out[next+1] && out[next+1]=='.' && ++ out[next+2] && out[next+2]=='.' && ++ out[next+3] && out[next+3]=='/') { ++ for(j=0; out[first+j+1]; j++) ++ out[first+j+1] = out[next+j+4]; ++ first = next = 0; ++ continue; ++ } ++ ++ /* Find next slash */ ++ first = next; ++ for(next=first+1; out[next] && out[next] != '/'; next++) ++ continue; ++ if(!out[next]) break; ++ } ++ ++ /* Remove trailing "/" */ ++ for(i=1; out[i]; i++) ++ continue; ++ if(i >= 1 && out[i-1] == '/') ++ out[i-1] = 0; ++ ++ return 0; ++} ++ ++/* Convert relative path to absolute path. */ ++int __psp_path_absolute(const char *in, char *out, int len) ++{ ++ int dr; ++ ++ /* See what the relative URL starts with */ ++ dr = __psp_get_drive(in); ++ if(dr > 0 && in[dr] == '/') { ++ /* It starts with "drive:/", so it's already absolute */ ++ if(!__psp_safe_strcpy(out, in, len)) ++ return -1; ++ } else if(in[0] == '/') { ++ /* It's absolute, but missing the drive, so use cwd's drive */ ++ if(strlen(__psp_cwd) >= len) ++ return -2; ++ strcpy(out, __psp_cwd); ++ dr = __psp_get_drive(out); ++ out[dr] = 0; ++ if(!__psp_safe_strcat(out, in, len)) ++ return -3; ++ } else { ++ /* It's not absolute, so append it to the current cwd */ ++ if(strlen(__psp_cwd) >= len) ++ return -4; ++ strcpy(out, __psp_cwd); ++ if(!__psp_safe_strcat(out, "/", len)) ++ return -6; ++ if(!__psp_safe_strcat(out, in, len)) ++ return -7; ++ } ++ ++ /* Now normalize the pathname portion */ ++ dr = __psp_get_drive(out); ++ if(dr < 0) dr = 0; ++ return __psp_path_normalize(out + dr, len - dr); ++} ++ |