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Use explicit sizes for the prpsinfo command length string so that

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we dont have any more unexpected changes in core dumps.  This gets us
back to the original core dump layout from a few days ago.
This commit is contained in:
Peter Wemm 2001-08-16 08:35:51 +00:00
parent 8ab59f7093
commit 6eef6816a8
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=81757
2 changed files with 4 additions and 2 deletions
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3
sys/kern/imgact_elf.c
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@ -919,7 +919,8 @@ elf_corehdr(p, vp, cred, numsegs, hdr, hdrsize)
bzero(&psinfo, sizeof psinfo);
psinfo.pr_version = PRPSINFO_VERSION;
psinfo.pr_psinfosz = sizeof(prpsinfo_t);
strncpy(psinfo.pr_fname, p->p_comm, MAXCOMLEN);
strncpy(psinfo.pr_fname, p->p_comm, sizeof(psinfo.pr_fname) - 1);
psinfo.pr_fname[sizeof(psinfo.pr_fname) - 1] = '\0';
/* XXX - We don't fill in the command line arguments properly yet. */
strncpy(psinfo.pr_psargs, p->p_comm, PRARGSZ);

3
sys/sys/procfs.h
View File

@ -67,6 +67,7 @@ typedef struct prstatus {
typedef fpregset_t prfpregset_t;
#define PRFNAMESZ 16 /* Maximum command length saved */
#define PRARGSZ 80 /* Maximum argument bytes saved */
#define PRPSINFO_VERSION 1 /* Current version of prpsinfo_t */
@ -74,7 +75,7 @@ typedef fpregset_t prfpregset_t;
typedef struct prpsinfo {
int pr_version; /* Version number of struct (1) */
size_t pr_psinfosz; /* sizeof(prpsinfo_t) (1) */
char pr_fname[MAXCOMLEN+1]; /* Command name, null terminated (1) */
char pr_fname[PRFNAMESZ+1]; /* Command name, null terminated (1) */
char pr_psargs[PRARGSZ+1]; /* Arguments, null terminated (1) */
} prpsinfo_t;